diff --git a/_includes/header-custom.html b/_includes/header-custom.html
index 47c3f56..4a91700 100644
--- a/_includes/header-custom.html
+++ b/_includes/header-custom.html
@@ -14,5 +14,4 @@
         <a href="{{ site.baseurl }}" class="wk">Weekly</a>
         <a href="/periodicals/" class="pd">Periodical</a>
     </div>
-	
 </header>
diff --git a/js/main.js b/js/main.js
index eb7d802..f2be28d 100644
--- a/js/main.js
+++ b/js/main.js
@@ -8,21 +8,21 @@ const toggleSwitch = document.querySelector('.switch input[type="checkbox"]');
 const currentTheme = localStorage.getItem('theme');
 
 if (currentTheme) {
-    document.documentElement.setAttribute('data-theme', currentTheme);
-  
-    if (currentTheme === 'dark') {
-        toggleSwitch.checked = true;
-    }
+	document.documentElement.setAttribute('data-theme', currentTheme);
+ 
+	if (currentTheme === 'dark') {
+		toggleSwitch.checked = true;
+	}
 }
 
 function switchTheme(e) {
-    if (e.target.checked) {
-        document.documentElement.setAttribute('data-theme', 'dark');
-        localStorage.setItem('theme', 'dark');
-    } else {
+	if (e.target.checked) {
+		document.documentElement.setAttribute('data-theme', 'dark');
+		localStorage.setItem('theme', 'dark');
+	} else {
 		document.documentElement.setAttribute('data-theme', 'light');
-        localStorage.setItem('theme', 'light');
-    }
+		localStorage.setItem('theme', 'light');
+	}
 }
 
 toggleSwitch.addEventListener('change', switchTheme, false);